Home / 13,257.28-19,891.58-4,943.44

Finding the Fourth Proportional to 13,257.28, 19,891.58 and 4,943.44

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Solution

The fourth proportional to 13,257.28, 19,891.58 and 4,943.44 is: 7,417.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.28 : 19,891.58 = 4,943.44 : x
  2. Step 2: Convert to fraction form
    13,257.28/19,891.58 = 4,943.44/x
  3. Step 3: Cross multiply
    13,257.28x = 19,891.58 × 4,943.44
  4. Step 4: Simplify right side
    13,257.28x = 98,332,832.24
  5. Step 5: Solve for x
    x = 98,332,832.24/13,257.28
  6. Step 6: Final answer
    x = 7,417.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.